阅读下面材料,从方框中所给的 A~D 四个选项中选出正确选项(其中一项是多余选项),将其序号填入第 27~29 小题,并回答第 30 小题。
Healthy Living Tips for Teens
Teens are growing both physically and mentally, so it's important to develop healthy habits. Here are some useful tips to help teens lead a healthy life.
A balanced diet(均衡饮食) is key to staying healthy. 27. —grains, fruits, vegetables, and healthy fats. Avoid eating too much junk food, sugary drinks. Make sure to eat different types of healthy foods throughout the day. For example, you can drink a glass of milk with breakfast, eat a piece of fruit as a snack, and have vegetables with dinner.
28. . It helps you feel more active and makes you stronger. Try to exercise for at least 60 minutes most days of the week. You can do activities like walking, cycling, swimming, or playing a sport you enjoy. If you find it hard to exercise alone, try finding a friend to join you.
Getting enough sleep is very important for teens. It helps your body grow, improves your memory, and keeps your emotions balanced. 29. . Avoid using phones or computers before bed because the blue light can make it harder to fall asleep. Try to go to bed and wake up at the same time every day, even on weekends.

30. Please give one more tip on healthy living. (不超过 15 个词)

27.C 28.A 29.B
30. Drink some water every day. /Don't have too much sugar. / ...

【分析】
本题为英语阅读理解补全短文题，需结合上下文语境匹配对应选项。27题前文围绕均衡饮食展开，后文列举各类食物，需匹配与食物组相关的选项；28题后文讲述锻炼的好处及方式，需匹配与锻炼益处相关的选项；29题前文讲睡眠重要性，后文提到睡前避免电子设备，需匹配与屏幕时间控制相关的选项；30题需补充合理的健康生活建议。
【解析】
27题：前文强调均衡饮食是健康关键，后文列举谷物、水果等主要食物类别，选项C“Try to eat foods from all the main food groups”（尝试吃所有主要食物组的食物）契合饮食主题，故27选C。
28题：后文围绕锻炼的益处（让人更活跃、更强壮）及锻炼方式展开，选项A“Exercise brings a lot of advantages to your health”（锻炼给健康带来诸多好处）匹配锻炼主题，故28选A。
29题：前文说明睡眠对青少年的重要性，后文提到睡前避免使用电子设备（屏幕时间），选项B“You need to keep your screen time within two hours a day”（需将每日屏幕时间控制在两小时内）与睡眠相关，故29选B。
30题：开放性题目，补充合理健康建议即可，如“Drink enough water every day.”等。
【答案】
27.C 28.A 29.B 30. 示例：Drink enough water every day.（答案不唯一，合理即可）
【知识点】
英语阅读理解、健康生活话题
【点评】
本题考查学生对上下文语境的理解能力，结合健康生活主题补全短文，难度适中，30题考查学生的生活常识积累，符合初中英语考查方向。
【难度系数】
0.7